Keyphrases
- context free
- context free grammars
- context dependent
- visual languages
- grammatical inference
- artificial intelligence
- context sensitive
- real time
- context free languages
- phrase structure
- finite state automata
- regular languages
- graph grammars
- website
- information extraction
- data mining
- real world
- syntactic pattern recognition
- database
- tree grammars
- mildly context sensitive